Thanks for the link, Max!
Yes, some older mic's were great for music and loud SPL but didn't
fit naturesound. I remember that I somehow helped some people coming
over that problem.
Klas
At 12:49 2013-08-21, you wrote:
>Hi Umashankar!
>Very many thanks for your detailed and informing reply. On the basis
>of your information, I was brave enough to try again my CM-300 with
>initially the omni capsule. To my bemusement it worked perfectly. I
>then changed to the CP-4 shotgun capsule, and this worked perfectly
>also, with no nasty initial noises. I then tried my iRig with ME-66
>but still no go; absolutely dead. But now to confession time; I had
>totally forgotten that I had to use a lead/connector adaptor between
>the iRig lead and LS-10!!!!! I'm feeling unabashedly, cringingly
>stupid about this, and apologise to the whole group for this lapse.
>I will of course put it down to a prolonged 'senior moment'!!
>In a way I'm sorry I found out, because I was just about to buy a
>new recorder!
>Once again my apologies to you Umashankar. One thing I did find in
>my net trawling was the following link which you may find of
>interest, if you weren't aware of it already; it mentions our
>friend Klas. See reply #11 here:
>http://www.groupdiy.com/index.php?topic=3D27274.0
>Cheers
>Max
>
>
>--- In umashankar <> wrote:
> >
> > dear max
> >
> > this is a reply to both this and your next message.
> >
> > I will first tell you what I know of the cm 300 - I own and have
> dismantled a few. it is a very good all round microphone, with low
> noise. input sensitivity is dependent on battery voltage, and it
> needs an unusual cylindrical nine volt battery. I used to make mine
> out of rechargeable button cells used in older computer
> motherboards. The cm 300 has a transformer output, with a standard
> xlr male termination.
> >
> > you can in fact use it balanced into a mixer. or unbalanced with
> a quarter inch jack (into a Sony TCD5M cassette recorder), an XLR
> pair to stereo 1/8 inch jack (to a WMD6 and later a minidisc
> recorder). I guess you can wire it to any unbalanced input if you
> have the right jacks. . you should have no trouble wiring pin 2 to
> tip and 1 and 3 to shield. if you are using a standard 3 pin 1/8 in
> jack, you have the option of connecting both pins of the jack to
> the pin 2 connection to get dual mono. with a four pin jack there
> are unfortunately a few variations. my suggestion would be to
> connect a bare jack, put on headphones, and see which pins are
> active. you solder the wire from pin 2 (of the xlr) to them. it is
> likely that two of them are headphone outputs, and only one is the
> microphone input.
> >
> > it is unlikely you have damaged your inputs. it is possible of
> course to cause physical damage by forcing a two pin 1/8 in jack
> into a 4 pin socket but I do not think so. and the nakamichi does
> not put out any output voltage or draw any, so there is no
> possibility of damage to the electronics.
> >
> > umashankar
> >
> > umashankar
> >
> > From: Max <>
> > To:
> > Sent: Tuesday, August 20, 2013 6:43 PM
> > Subject: [Nature Recordists] Re: Nakamichi CM-300
> >
> >
> > Hi Umashankar,
> > I was hoping to hear from you. What I need to know is, do I have
> to maintain the wiring of the original lead (pin 2 to tip, pin 1
> and 3 jumpered together to shield), to use with my LS-10 direct?
> > Cheers
> > Max
> >
> > --- In umashankar <umashanks@> wrote:
> > >
> > > nakamichi cm 300 is a transformer output balanced microphone.
> it is 9 volt battery powered, but phantom voltages will not damage it.
> > >
> > > umashankar
> > >
> > > From: "brini@" <brini@>
> > > To:
> > > Sent: Tuesday, August 20, 2013 3:50 PM
> > > Subject: [Nature Recordists] Re: Nakamichi CM-300
> > >
> > >
> > > Max,
> > >
> > > I don't know this mic and haven't used an LS-10 so I'll be brief.
> > >
> > > The mic has an unbalanced output which means one wire is connected to
> > > ground. Make sure you don't have phantom power on as this will put 48=
V
> > > across the input as it is no longer "phantom". Phantom power is
> 48V applied
> > > equally to both input wires with respect to ground.
> > >
> > > To make the mic "balanced" or "floating" which would isolate the sign=
al
> > > wires from ground, you would need a mic transformer in circuit. Balan=
ced
> > > means equal plus and minus inputs and floating means these
> inputs have no
> > > connection with ground.
> > >
> > > One way to check it out would be to wire the mic with loose lesds or
> > > whatever into the live inputs without a ground connection. You
> will get hum
> > > and interference but it may give a clue to whether a transcformer wou=
ld
> > > help.
> > >
> > > David Brinicombe
> > >
> > >
> > >
> > > ------------------------------------
> > >
> > > "While a picture is worth a thousand words, a
> > > sound is worth a thousand pictures." R. Murray Schafer via Bernie Kra=
use.
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> > ------------------------------------
> >
> > "While a picture is worth a thousand words, a
> > sound is worth a thousand pictures." R. Murray Schafer via Bernie Kraus=
e.
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>
>
>
>
>------------------------------------
>
>"While a picture is worth a thousand words, a
>sound is worth a thousand pictures." R. Murray Schafer via Bernie Krause.
>
>Yahoo! Groups Links
>
>
>
Telinga Microphones, Botarbo,
S-748 96 Tobo, Sweden.
Phone & fax int + 295 310 01
email:
website: www.telinga.com
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